Serial/Parallel Adapters

Add two RS422/485 serial ports through a standard or low profile PCI expansion slot - pci serial card - rs422 serial card - rs485 serial card - dual port serial card - 2 port rs422 pci card

Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB - 4 port usb serial adapter - 4 port usb to rs232 - USB to DB9 - USB to serial converter - USB to serial hub

2-port PCI Express RS232 serial controller card 16550 UART/ASIX MCS9922CV-AA - Bi-directional speeds 460.8Kbps/port | 128 byte FIFO | Pin 9 pwr out 5v/12v/none - Expansion card w/ Std bracket (low profile incl) - Win/Linux

Plug-in Card - PCI - PC

Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI Express expansion slot - pci express serial card - pci-e serial card - pci express RS232 - rs232 card - pci serial adapter

1 port PCI Express RS232 serial controller card w/16550 UART/ASIX MCS9922CV-AA - Bi-directional speeds 921.6Kbps/port | 256 byte FIFO | Pin 9 pwr out 5v/12v/none - Expansion card w/low profile (Std bracket incl) - Win/Linux

Add a parallel port and two RS-232 serial ports to your PC through a PCI-Express expansion slot - PCI Express Serial Parallel Card - PCIe Serial Parallel Combo Card Adapter - 2 Port Serial and 1 Port Parallel - Comes with Breakout Cable - Dual Profile - SPP EPP ECP

Add 8 DIN Rail-mountable RS232 Serial ports to any system through USB - 8 port usb to rs232 - 8 port usb to serial - industrial usb to serial converter - usb serial hub - usb to db9 serial adapter

Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB - USB to Serial - USB to RS232 - USB to DB9 - USB to serial Adapter - USB to serial port

Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot - 4 port pcie serial card - 4 port rs232 card - 4 port serial adapter - 4 port pci express serial card - pci express db9 serial card